Assignment and Assingment problem
Pull Request #536 add admin tables
Class Diagram #557 topics and solution
Merge pull request #555 from alaashafaee/class_diagram

Pull Request :: [ClassDiagram]
Merge branch 'master' of https://github.com/alaashafaee/Coolsoft-14 into CX_Mussab_519_Debug_Python_X.8
#519 add master